—Look! The man at the gate _______be our headmaster. He is always standing there every morning.
—No, it_______ be him. He is holding a meeting in the office now.
| A．must; can’t | B．must; mustn’t |
| C．can’t; can’t | D．can’t; mustn’t |
—Would you like to go hiking with us?
—Sorry. My grandmother is ill. I'll go toher.
| A．look after | B．look for |
| C．look at | D．look up |
—What did the teacher say?
—The teacher told us at the Capital Museum on time.
| A．arrive | B．arrived |
| C．arriving | D．to arrive |
—Is that Jack speaking?
—No. He isn't in right now. He to the cinema.
| A．would go | B．went |
| C．has been | D．has gone |
Mobile phones are very common now and they arethan before.
| A．cheap | B．cheaper |
| C．cheapest | D．the cheapest |
—have you been like this?
—For a week.
| A．How long | B．How often |
| C．How many times | D．How soon |